OPINION: Can anyone tame the next internet?

Forces have been unleashed that seem out of control. But is it the end of the beginning or the beginning of the end?

Exactly a decade ago, Walt Mossberg and I declared the end of Web 2.0 and the beginning of its next iteration: Web 3.0.

There was a recession messing badly with the tech sector at the time, which we dubbed the Econalypse. But we decided to make a loud prediction right before our seventh All Things Digital conference anyway, because we saw that the digital tidal wave sweeping...